GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bb37bdaa3152606d1f3f2aee12b8451850715092429c0e64142d7ff933d7806c
MD5db60f5867c975790dadd24ed4de7e5cd
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namebb37bdaa3152606d1f3f2aee12b8451850715092429c0e64142d7ff933d7806c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: bb37bdaa3152606d1f3f2aee12b8451850715092429c0e64142d7ff933d7806c
  • MD5: db60f5867c975790dadd24ed4de7e5cd

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: bb37bdaa3152606d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "bb37bdaa3152606d1f3f2aee12b8451850715092429c0e64142d7ff933d7806c"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 bb37bdaa3152606d1f3f2aee12b8451850715092429c0e64142d7ff933d7806c # MD5 db60f5867c975790dadd24ed4de7e5cd
TypeValueNote
sha256 bb37bdaa3152606d1f3f2aee12b8451850715092429c0e64142d7ff933d7806c Sample:GandCrab
md5 db60f5867c975790dadd24ed4de7e5cd Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi